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Questions and Answers
What is the role of the independent variable in experimental research?
What is the role of the independent variable in experimental research?
- It compares results across different conditions.
- It is manipulated to observe its effect on another variable. (correct)
- It is measured to observe effects.
- It is held constant to ensure validity.
Quasi-experimental design requires random assignment of participants to groups.
Quasi-experimental design requires random assignment of participants to groups.
False (B)
What is the dependent variable in an experimental study?
What is the dependent variable in an experimental study?
The variable that is measured to observe the effect of the independent variable.
In experimental research, _______ variables are held constant to ensure valid results.
In experimental research, _______ variables are held constant to ensure valid results.
Match the type of research design with its characteristic:
Match the type of research design with its characteristic:
Flashcards
Independent Variable (IV)
Independent Variable (IV)
The variable the researcher manipulates to see its effect on another variable.
Dependent Variable (DV)
Dependent Variable (DV)
The variable that is measured to observe the effect of the independent variable.
Control Variable
Control Variable
The variable that is kept constant to ensure it doesn't influence the relationship between the IV and DV.
Experimental Design
Experimental Design
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Quasi-Experimental Design
Quasi-Experimental Design
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Study Notes
Experimental Research Designs
- Research plans structured to observe cause-and-effect relationships
- Independent variable (IV) is manipulated
- Dependent variable (DV) is measured
- Other variables controlled to isolate IV's effect on DV
- Different levels of IV create different treatment conditions
- Measurement of the DV
- Scores from various IV conditions compared
- Control of other variables ensures no influence
Quasi-Experimental Research Designs
- A method to evaluate relationships between intervention and outcome
- Participants not randomly assigned to treatment/control groups
- Evaluates how interventions affect outcomes
- Uses manipulation and observation like an experiment
- Does not control for extraneous variables like an experiment
Key Elements in Experimental Study
- Manipulation: Setting up different levels (treatments/conditions) of independent variables
- Measurement: Observing the variable affected (dependent variable)
- Comparison: Comparing scores from various independent variable conditions
- Control: Controlling other variables to ensure they don't influence the relationship between the two variables being examined
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Description
This quiz covers key concepts in experimental and quasi-experimental research designs, focusing on their structure, methods, and key elements. Explore the differences between manipulating variables and controlling extraneous factors to understand their impact on outcomes.
